* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 35px;
}
body {
  margin: 0;
  background: var(--seenaro-canvas);
  color: var(--seenaro-text);
  font: 16px/1.6 var(--seenaro-font-ui);
}
a {
  color: inherit;
  text-decoration: none;
}
a:focus-visible {
  outline: 2px solid var(--seenaro-accent);
  outline-offset: 5px;
}
button,
a {
  touch-action: manipulation;
}
.shell {
  max-width: 1440px;
  margin: auto;
  padding: 0 70px;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
  padding: 30px 0;
}
.brand {
  font-size: 29px;
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.2;
}
.brand span {
  display: block;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--seenaro-muted);
  margin-top: 7px;
  font-weight: 500;
}
nav {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 14px;
}
.button {
  border: 1px solid #444;
  border-radius: 7px;
  padding: 12px 20px;
  display: inline-flex;
  align-items: center;
  gap: 25px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s;
}
.button:hover {
  background: #30372e;
}
.primary {
  background: var(--seenaro-accent);
  color: #20331c;
  border-color: var(--seenaro-accent);
}
.primary:hover {
  background: #c6ffbc;
}
.hero {
  background: #293326;
  border: 1px solid #3f5038;
  border-radius: 11px;
  padding: 65px 65px 30px;
  margin-top: 20px;
}
.eyebrow {
  font:
    11px/1.6 ui-monospace,
    monospace;
  letter-spacing: 1.7px;
  color: #b9cbb3;
}
.dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--seenaro-accent);
  border-radius: 50%;
  margin-right: 8px;
}
h1 {
  font-size: clamp(42px, 5.1vw, 56px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -1.7px;
  margin: 25px 0;
}
h1 span {
  color: var(--seenaro-accent);
}
.hero > p {
  max-width: 620px;
  color: #c6cfc1;
  font-size: 19px;
  line-height: 1.65;
  margin: 25px 0 30px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 30px;
}
.text-link {
  font-size: 14px;
  color: #cbd4c6;
}
.hero-foot {
  border-top: 1px solid #48533f;
  padding-top: 25px;
  margin-top: 60px;
  font:
    10px ui-monospace,
    monospace;
  letter-spacing: 1.2px;
  color: #a4b09d;
}
.hero-foot span {
  padding: 0 15px;
}
.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin: 100px 0 40px;
}
h2 {
  font-weight: 500;
  font-size: clamp(30px, 3.2vw, 45px);
  line-height: 1.17;
  letter-spacing: -1.3px;
  margin: 18px 0;
}
.intro > p,
.features p,
.steps p {
  color: var(--seenaro-muted);
  font-size: 16px;
}
.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.features article {
  border: 1px solid #3e3e3e;
  border-radius: 9px;
  padding: 30px;
  background: var(--seenaro-surface);
}
.number {
  font:
    12px ui-monospace,
    monospace;
  color: var(--seenaro-accent);
}
h3 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.4px;
  margin: 22px 0 10px;
}
.features p {
  min-height: 105px;
}
.tag {
  font:
    9px ui-monospace,
    monospace;
  letter-spacing: 1px;
  color: #b5bfb0;
  border: 1px solid #414b3c;
  padding: 6px 8px;
  border-radius: 3px;
  display: inline-block;
}
.method {
  margin-top: 100px;
  border-top: 1px solid #3e3e3e;
  padding: 55px 0 65px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 45px;
  margin-top: 45px;
}
.steps article > span {
  color: #888;
  font:
    12px ui-monospace,
    monospace;
}
.steps h3 {
  margin-top: 12px;
}
.closing {
  text-align: center;
  padding: 55px 30px;
  background: var(--seenaro-soft-green);
  border: 1px solid #3f5038;
  border-radius: 11px;
}
.closing p {
  max-width: 550px;
  margin: 20px auto 30px;
  color: #b2bbaa;
}
.scope {
  font-size: 12px;
  color: #8c8c8c;
  max-width: 800px;
  margin: 30px auto;
  text-align: center;
}
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #3e3e3e;
  margin-top: 60px;
  padding: 30px 0;
  color: #999;
  font-size: 13px;
}
footer .brand {
  color: #eee;
  font-size: 23px;
}
@media (max-width: 800px) {
  .shell {
    padding: 0 24px;
  }
  header {
    padding: 24px 0;
  }
  nav > a:not(.button) {
    display: none;
  }
  .hero {
    padding: 40px 30px 25px;
  }
  h1 {
    letter-spacing: -2px;
  }
  .hero > p {
    font-size: 17px;
  }
  .intro {
    gap: 20px;
    margin-top: 60px;
  }
  .features {
    grid-template-columns: 1fr;
  }
  .features p {
    min-height: 0;
  }
  .steps {
    gap: 20px;
  }
  .method {
    margin-top: 60px;
  }
}
@media (max-width: 480px) {
  .shell {
    padding: 0 16px;
  }
  .brand {
    font-size: 24px;
  }
  nav .button {
    font-size: 12px;
    padding: 10px;
  }
  .hero {
    padding: 32px 22px 22px;
    margin-top: 10px;
  }
  h1 {
    font-size: 43px;
    letter-spacing: -2px;
  }
  .hero-actions {
    gap: 20px;
    flex-wrap: wrap;
  }
  .hero-foot {
    line-height: 1.9;
    margin-top: 38px;
  }
  .hero-foot span {
    display: block;
    font-size: 0;
    line-height: 6px;
  }
  .intro {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .closing {
    padding: 35px 22px;
  }
  footer {
    gap: 15px;
    flex-wrap: wrap;
  }
}

h1,
h2,
h3 {
  font-family: var(--seenaro-font-heading);
  font-weight: 500;
}
.eyebrow,
.number,
.tag,
.hero-foot,
.steps article > span {
  font-family: var(--seenaro-font-technical);
}
.brand {
  display: block;
  flex-shrink: 0;
}
.brand img {
  width: 192px;
  height: auto;
}
.button svg,
footer > a > svg {
  width: 20px;
  height: 20px;
  vertical-align: middle;
  flex-shrink: 0;
}
.hero {
  background: var(--seenaro-soft-green);
}
footer .brand img {
  width: 176px;
}
@media (max-width: 480px) {
  header {
    gap: 16px;
  }
  .brand img {
    width: 160px;
  }
  nav .button {
    gap: 8px;
  }
  nav .button svg {
    width: 16px;
    height: 16px;
  }
}